Home / 3,213.84-4,818.96-1,265.52

Finding the Fourth Proportional to 3,213.84, 4,818.96 and 1,265.52

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Solution

The fourth proportional to 3,213.84, 4,818.96 and 1,265.52 is: 1,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.84 : 4,818.96 = 1,265.52 : x
  2. Step 2: Convert to fraction form
    3,213.84/4,818.96 = 1,265.52/x
  3. Step 3: Cross multiply
    3,213.84x = 4,818.96 × 1,265.52
  4. Step 4: Simplify right side
    3,213.84x = 6,098,490.26
  5. Step 5: Solve for x
    x = 6,098,490.26/3,213.84
  6. Step 6: Final answer
    x = 1,897.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.